English translation for "noon-mark"

n.
【天文学】(正)午标，(正)午线。

Similar Words：

"noon sight" English translation, "noon sugar" English translation, "noon traffic mode" English translation, "noon unit" English translation, "noon-day gun" English translation, "noonan" English translation, "noonan syndrome" English translation, "noonday" English translation, "nooner" English translation, "noonflower" English translation